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Question
\[\ce{CH3CH2COOH ->[Cl2][red P] A ->[alc. KOH] B}\]. What is B?
Options
\[\ce{CH3CH2COCl}\]
\[\ce{CH3CH2CHO}\]
\[\ce{CH2 = CHCOOH}\]
\[\ce{ClCH2CH2COOH}\]
MCQ
Solution
\[\ce{CH2 = CHCOOH}\]
Explanation:
\[\ce{CH3CH2COOH ->[Cl2][red P] CH3CHClCOOH ->[alc. KOH][- HCl] CH2 = \underset{Acrylic acid}{CHCOOH}}\]
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